on history

Statistics is an interesting branch of mathematics which is used in various subjects like politics, history, geography, economics to name a f..

(Embryology) It is the study of early life history of individual organisms from the fertilized egg to the adult stage (Ontogeny..

Haeckel (1834-1919) formulated that 'ontogeny recapitulates phylogeny'. This means that the developmental stages that an organism goes through repeat the evolutionary history of the group to which the organism belong..

Plant diseases are improvement because of the loss they cause. In the history of mankind plant disease have played an important role. A good example would be the Irish potato famine caused due to late blight of potato, a disease affecting the potato cr..

Statistics is an interesting branch of mathematics which is used in various subjects like politics, history, geography, economics to name a few...

Evolution of life has been taking place for about 3.8 billion years of time. When we view macroevolution - the large-scale evolutionary history of lif..

Structure of the earth system Earth's history Earth in the solar syste..

Structure of the earth system Earth's history Earth in the solar syste..

Introduction - One of the primary objectives of agriculture is to produce food. In the entire history of agriculture, food production has remained a prime objectiv..

Reproduction occurs by vegetative propagation, asexual and sexual reproduction. Vegetative propagation through artificial method can be done by cuttings, layering and grafting. Pollination refers to the transference of pollen grains from the anther of a flower to the stigma of the flower. It occurs..